To cite dwctaxon in publications use:

  Nitta and Iwasaki (2023). The dwctaxon R package for working with
  Darwin Core Taxon data. https://github.com/ropensci/dwctaxon

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {The dwctaxon R package for working with Darwin Core Taxon data},
    author = {Joel H. Nitta and Wataru Iwasaki},
    year = {2023},
    url = {https://github.com/ropensci/dwctaxon},
  }